*{
	box-sizing: border-box;
}

html,body{
	margin: 0;
	padding: 0;
}

html{
	overflow: hidden;
}

body{
	width: 100vw;
	height: 100vh;
	perspective: 100px;
	transform-style: preserve-3d;
	overflow-y: auto;
}

span{
	position: absolute;
	top: 2%;
	left: 2%;
	color: #eee;
	border: 1px solid #ccc;
	border-radius: 5px;
	background-color: rgba(0,0,0,.4);
}

#main{
	display: flex;
	flex-direction: column;
	align-items: center;
	justify-content: center;
}

.list-item{
	position: relative;
	display: flex;
	align-items: center;
	justify-content: center;
	width: 100%;
	height: 45vh;
	overflow: hidden;
}

.list-item:hover .item-image::before{
	background-color: rgba(0,0,0,.2);
}

.item-image{
	position: absolute;
	width: 100%;
	height: 100%;
	z-index: -1;
	transform: translateZ(-50px) scale(2.4);
}

.item-image::before{
	content: "";
	display: block;
	position: absolute;
	width:100%;
	height: 100%;
	background-color: rgba(0,0,0,.4);
}

.item-image img{
	display: block;
	width: 100%;
	height: 100%;
	object-fit: cover;
	/*filter:contrast(100%);*/
}

.item-text{
	color: #fff;
	font-family: '微软雅黑';
	text-align: center;
}

.text-title{
	font-size: 2rem;
	font-weight: bolder;
	margin-bottom: 80px;
}

.text-desc{
	font-size: 1.2rem;
}

.item-text a{
	width: 75px;
	margin: 0 auto;
	display: block;
	text-decoration: none;
	color: #fff;
	margin-top: 55px;
}

.item-text a:hover{
	color: #eadc16;
}